100 Million Years Authentic Ammonite Fossil

Fossil Opalized ammonite Madagascar 100 million years old

Fossil ammonite (polished) Madagascar 100 million years old

Fossil ammonite, split and polished. Madagascar Cretaceous, 100 million years old

Ammonite, split and polished. Madagascar Cretaceous, 100 million years old

5" ammonite with opalized shell. Madagascar. Cretaceous, 100 million years old

Fossil ammonite with opalescent shell. Madagascar Cretaceous, 100 million years old

Fossil "opalized" ammonite. Madagascar Creataceous, 100 million years old

225-100 million years BP. A mixed group of fossils comprising of: three fossilised cut and polished tree branch sections, a fish fossil in a limestone matrix, two ammonite fossils in a matrix. 272 gra

Albian Cretaceous Period, 113-100 million years BP. A large A-grade cut and polished pair of Cleoniceras sp. ammonite displaying the distinctive pattern of the chambers; with card tray. 520 grams tota

Albian Cretaceous Period, 113-100 million years BP. A large A-grade cut and polished pair of Cleoniceras sp. ammonite displaying the distinctive pattern of the chambers; with card tray. 429 grams tota

Albian Cretaceous Period, 113-100 million years BP. A large A-grade cut and polished pair of Cleoniceras sp. ammonite displaying the distinctive pattern of the chambers; with card tray. 503 grams, 13c

Cretaceous Period, Albian Stage, 113-100 million years BP. A cut and polished Cleoniceras sp. ammonite in two halves, displaying the distinctive pattern of the cross-section chambers. 274 grams total,

Cretaceous Period, Albian Stage, 113-100 million years BP. A group of eight small A-grade cut and polished Cleoniceras sp. ammonites from Madagascar, with the distinctive pattern of the cross-section

Cretaceous Period, circa 113-100 million years B.P.. Cleoniceras besairiei with large portions of the shell with rainbow iridescence. 242 grams, 10 cm (4 in.). From a Lincolnshire, UK, collection. [No

Late Cretaceous Period, Cenomanian-Turonian Stages, circa 100- 90 million years B.P.. A freestanding example of a large Mammites nodosoides fossil ammonite. 3 kg, 20 cm (7 7/8 in.). From Morocco, Nort

Late Cretaceous Period, Cenomanian Stage, 100-94 millions years BP. An Acanthoceras sp. ammonite from Agadir, Morocco. 1.6 kg, 16.5cm (6 1/4"). Property of a Lincolnshire, UK, gentleman; acquired on t

Cretaceous Period, Albian Stage, 113-100 million years B.P. A cut and polished composite ammonite platter, revealing the internal structures of the shells. 661 grams, 23 cm wide (9 in.). From a Lincol

350-100 million years BP. A group of ten British ammonites of mixed species, five accompanied by catalogue cards, two of which have Natural History Museum identification labels. 3.39 kg, 60-120mm (2 1

Details: Cleoniceras Ammonite fossil pair from Tulear Madagascar, Middle Cretaceous Age. Approximately 110+ million years old. This fossils measures 5.5" each on the longest side. A remarkable specime

Moroco. Multiple ammonite shells encased in sediment, now black stone. Length 19 in. Width 10 in.

North America, Canada, Alberta, Bearpaw formation, late Cretaceous, ca. 71 million years ago. A beautiful ammonite fossil has formed a fiery iridescence across the surface known as ammolite- an exceed

Western Europe, Germany, Jurassic period, ca. 183 to 175.6 million years ago. A superb ammonite fossil (Arietites sp.) with excellent shell structure - prominent ribs and some suture patterning! The s

North America, Canada, Alberta, or USA, Montana, Late Cretaceous period, ca. 71 million years ago. A beautiful ammonite fossil polished to showcase the mesmerizing suture marks that have developed pal

**Originally Listed At $100** East Africa, Madagascar, Jurassic to Cretaceous period, ca. 200 to 66 million years ago. A pretty ammonite fossil hat has been cut and polished to reveal the natural and